Hinge for a welding helmet window



FIG. 1 is a front perspective view of a hinge for a welding helmet window showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view, the right side view being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The detail shown in the broken lines form no part of the claimed design. 

The ornamental design for a hinge for a welding helmet window, as shown and described. 